REFUNDABLE CORE CHARGE: A rebuildable coil unit for an EXCHANGE CORE REQUIRED or this REFUNDABLE CORE CHARGE WILL BE ADDED TO THE COST OF THIS PART. Coil units cores must have complete hardware. The wood can be marred but must be refinishable with no major chips or cracks. Core charge refunded for cores received within 90 days. We will pay $10.00 for extra additional rebuildable cores.

You can order them them first and pay the core charge per coil out have ordered. When you send in your cores we can credit your credit card. You can also send your core first to avoid the core charge.Answered By: 23 SEL76 out of 110 found this answer useful.